Family † Siberiaspididae Novitskaya 1968

† Siberiaspididae Novitskaya 1968: 59, 60 (family) † Siberiaspis Obruchev 1964 †Tuxeraspididae Novitskaya 1968: 59 (family) † Tuxeraspis Novitskaya 1971 [no valid type genus, not available, Art. 11.7.1.1; also name only]

†Tuxeraspididae Novitskaya 1971: 43 (family) † Tuxeraspis Novitskaya 1971